单词 | tesla |
释义 | Teslan. 1. a. Tesla coil n. a type of induction coil invented by Tesla, employing a spark gap in place of an interruptor and capable of producing an intense high-frequency discharge. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > electromagnetic induction > [noun] > induction coil > types of coil inductorium1875 Tesla coil1896 basket winding1910 pancake coil1910 honeycomb coil1921 basket coil1923 Helmholtz1962 1896 J. Trowbridge in Amer. Jrnl. Sci. 151 245 By changing the size of the spark gap in the primary circuit of the Tesla coil one has a great range of electrical energy at command. 1930 Proc. Royal Soc. A. 129 479 If it is desired simply to obtain the highest possible potentials with the minimum of trouble then the Tesla coil is obviously the ideal solution. 1975 Bio Syst. 7 6/2 Thus far, energy has only been fed in by sparking electrodes kept at roughly controlled voltage level with Tesla coils. b. Tesla current n. a current generated by the Tesla coil. ΚΠ 1904 Knowledge Apr. 56/2 By means of high frequency currents (Tesla currents), luminous radiations may be produced inside the tube. c. Tesla discharge n. an oscillatory discharge of high frequency obtained from a Tesla coil. d. Tesla transformer n. a form of induction coil for producing high frequency alternating or oscillating currents. 2. Physics. (Usually with small initial.) Plural tesla, teslas. The SI unit of magnetic flux density, equal to one weber (weber n.2) per square metre; 10,000 gauss. Symbol T. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > [noun] > magnetic flux > unit of flux weber1891 Maxwell1900 Tesla1960 T1964 1960 in N. M. Cooke & J. Markus Electronics & Nucleonics Dict. 482/2. 1961 Symbols, Units & Nomencl. Physics (Internat. Union Pure & Appl. Physics) 18 The following units of the MKSA system have special names and symbols, which have been approved by the General Conference on Weights and Measures:…tesla (Wb/m2). 1969 Sci. Jrnl. June 36/3 The oscillating magnetic field in the radio pulse itself as it leaves the pulsar is probably greater than 10 teslas (105 gauss). 1971 New Scientist 24 June 737/2 Superconductors cannot yet sustain fields greater than 12 Tesla. 1980 J. F. O'Hanlon User's Guide Vacuum Technol. ix. 216 Modern [sputter-ion] pumps are constructed..with external permanent magnets of 0·1 to 0·2 Tesla strength. This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018). < |
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